Modeling and Multivariate Methods - SAS

74 Fitting Standard Least Squares Models Chapter 3
Estimates
Example of Cox Mixtures
1. Open the Five Factor Mixture.jmp sample data table.
2. Select Analyze > Fit Model.
3. Select Y1 and click Y.
4. Select X1, X2, and X3.
5. Click on Macros > Mixture Response Surface.
6. Click Run.
7. From the red triangle menu next to Response Y1, select Estimates > Cox Mixtures.
Figure 3.15 Cox Mixtures Window
8. Type the reference mixture points shown in Figure 3.15. Note that if the components of the reference
point do not equal one, then the values are scaled so that they do equal one.
9. Click OK.
Figure 3.16 Cox Mixtures
The report shows the parameter estimates along with standard errors, hypothesis tests, and the reference
mixture.